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Has anyone had any experiences with Astro Essential eyepieces?

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#1 BGF

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Posted 29 May 2020 - 11:35 AM

Hi all.

 

I was wondering if anyone had any experience, positive or negative, with Astro Essential eyepieces - or indeed any of their equipment. I've done a little digging myself and found that there's been a couple of posts about them in the past showing they hold up pretty well with more established brands. For some context they're available here: https://www.firstlig...-eyepieces.html

 

With 7.5-40mm EPs all being under £30 they're incredibly reasonably priced so I'm just a little sceptical (some might say cynical) about their quality for such a price.



#2 wrnchhead

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Posted 29 May 2020 - 11:39 AM

To my eyes, they look exactly like GSO eyepieces.



#3 Shorty Barlow

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Posted 29 May 2020 - 12:10 PM

They're not GSO at all. Neither are they Barsta.

 

sml_gallery_249298_10131_18185.jpg

 

No doubt made somewhere in the PRC. I bought this 17mm to directly compare with GSO and Barsta Plossls. 

 

sml_gallery_249298_10131_54274.jpg

 

In a direct comparison with a 17mm Barsta Plossl (centre below) I found it appeared to have a slightly smaller field stop but apart from that it seemed just as good. Although probably best used at f/6 and slower, like the Barsta.

 

med_gallery_249298_10131_178013.jpg

 

The field stop is clearly defined, unlike GSO Plossls, and AFAIK GSO don't make a 17mm. The barrel is chromed brass and the filter threads are smooth and seem very compatible. 


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